Academic literature on the topic 'Insect ecology'

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Journal articles on the topic "Insect ecology"

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Morris, M. G., and P. W. Price. "Insect Ecology." Journal of Applied Ecology 23, no. 3 (December 1986): 1063. http://dx.doi.org/10.2307/2403960.

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Singer, Michael C., and Peter W. Price. "Insect Ecology." Ecology 67, no. 2 (April 1986): 589. http://dx.doi.org/10.2307/1938610.

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Rosenthal, Gerald A., William J. Bell, and Ring T. Carde. "Insect Ecology." Ecology 66, no. 1 (February 1985): 312. http://dx.doi.org/10.2307/1941337.

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Rosenthal, Gerald A. "Insect Ecology." Ecology 66, no. 1 (February 1985): 313–14. http://dx.doi.org/10.2307/1941338.

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Rosenthal, Gerald A. "Insect Ecology." Ecology 66, no. 1 (February 1985): 312–13. http://dx.doi.org/10.2307/1941336a.

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Lentz, G. L. "Insect Ecology." Bulletin of the Entomological Society of America 33, no. 4 (December 1, 1987): 266–67. http://dx.doi.org/10.1093/besa/33.4.266.

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Jing, Xiangfeng, and Spencer T. Behmer. "Insect Sterol Nutrition: Physiological Mechanisms, Ecology, and Applications." Annual Review of Entomology 65, no. 1 (January 7, 2020): 251–71. http://dx.doi.org/10.1146/annurev-ento-011019-025017.

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Insects, like all eukaryotes, require sterols for structural and metabolic purposes. However, insects, like all arthropods, cannot make sterols. Cholesterol is the dominant tissue sterol for most insects; insect herbivores produce cholesterol by metabolizing phytosterols, but not always with high efficiency. Many insects grow on a mixed-sterol diet, but this ability varies depending on the types and ratio of dietary sterols. Dietary sterol uptake, transport, and metabolism are regulated by several proteins and processes that are relatively conserved across eukaryotes. Sterol requirements also impact insect ecology and behavior. There is potential to exploit insect sterol requirements to ( a) control insect pests in agricultural systems and ( b) better understand sterol biology, including in humans. We suggest that future studies focus on the genetic mechanism of sterol metabolism and reverse transportation, characterizing sterol distribution and function at the cellular level, the role of bacterial symbionts in sterol metabolism, and interrupting sterol trafficking for pest control.
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Biedermann, Peter H. W., and Fernando E. Vega. "Ecology and Evolution of Insect–Fungus Mutualisms." Annual Review of Entomology 65, no. 1 (January 7, 2020): 431–55. http://dx.doi.org/10.1146/annurev-ento-011019-024910.

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The evolution of a mutualism requires reciprocal interactions whereby one species provides a service that the other species cannot perform or performs less efficiently. Services exchanged in insect–fungus mutualisms include nutrition, protection, and dispersal. In ectosymbioses, which are the focus of this review, fungi can be consumed by insects or can degrade plant polymers or defensive compounds, thereby making a substrate available to insects. They can also protect against environmental factors and produce compounds antagonistic to microbial competitors. Insects disperse fungi and can also provide fungal growth substrates and protection. Insect–fungus mutualisms can transition from facultative to obligate, whereby each partner is no longer viable on its own. Obligate dependency has ( a) resulted in the evolution of morphological adaptations in insects and fungi, ( b) driven the evolution of social behaviors in some groups of insects, and ( c) led to the loss of sexuality in some fungal mutualists.
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Mondal, Sankhadeep, Jigyasa Somani, Somnath Roy, Azariah Babu, and Abhay K. Pandey. "Insect Microbial Symbionts: Ecology, Interactions, and Biological Significance." Microorganisms 11, no. 11 (October 30, 2023): 2665. http://dx.doi.org/10.3390/microorganisms11112665.

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The guts of insect pests are typical habitats for microbial colonization and the presence of bacterial species inside the gut confers several potential advantages to the insects. These gut bacteria are located symbiotically inside the digestive tracts of insects and help in food digestion, phytotoxin breakdown, and pesticide detoxification. Different shapes and chemical assets of insect gastrointestinal tracts have a significant impact on the structure and makeup of the microbial population. The number of microbial communities inside the gastrointestinal system differs owing to the varying shape and chemical composition of digestive tracts. Due to their short generation times and rapid evolutionary rates, insect gut bacteria can develop numerous metabolic pathways and can adapt to diverse ecological niches. In addition, despite hindering insecticide management programs, they still have several biotechnological uses, including industrial, clinical, and environmental uses. This review discusses the prevalent bacterial species associated with insect guts, their mode of symbiotic interaction, their role in insecticide resistance, and various other biological significance, along with knowledge gaps and future perspectives. The practical consequences of the gut microbiome and its interaction with the insect host may lead to encountering the mechanisms behind the evolution of pesticide resistance in insects.
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Krueger, Charles C. "Aquatic Insect Ecology." BioScience 35, no. 7 (July 1985): 452. http://dx.doi.org/10.2307/1310031.

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Dissertations / Theses on the topic "Insect ecology"

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Jonsson, Mattias. "Dispersal ecology of insects inhabiting wood-decaying fungi /." Uppsala : Swedish University of Agricultural Sciences, 2002. http://diss-epsilon.slu.se/archive/00000064/.

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Thesis (doctoral)--Swedish University of Agricultural Sciences, 2002.
Thesis documentation sheet inserted. Appendix reprints three manuscripts and one published paper, three of which are co-authored with others. Includes bibliographical references. Also issued electronically via World Wide Web in PDF format; PDF version lacks abstract, ack., and appendix. One ill. in PDF version is in col.
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Knell, Robert James. "The population ecology of two insect pathogens." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284218.

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Ibrahim, E. A. "Studies on trypanosomatid-insect interactions." Thesis, University of Salford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356169.

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Strevens, Chloë. "Insect metapopulation dynamics." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:3e6c30d1-6c88-42d0-92d8-83c59f4269d2.

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Metapopulation ecology has developed to explain the population dynamics that occur in spatially structured landscapes. In this study, I combined an empirical laboratory approach, using metapopulation microcosms of Callosobruchus maculatus and its endospecific parasitoid Anisopteromalus calandrae, with mathematical population models in order to investigate several fundamental metapopulation processes. Population dynamics in these systems can be studied at two scales; the local patch-wise scale and the regional metapopulation scale. Here I demonstrate that in both homogeneous and heterogeneous landscapes knowledge of local scale demographic processes is necessary in order to understand regional metapopulation dynamics. The differences in the rate and net direction of dispersal between patches as a result of the permeability of the matrix in homogeneous systems and density-dependent dispersal in heterogeneous systems were also explored. Metapopulation dynamics rely on a balance between local extinctions and recolonisations. Therefore, increasing local mortality rates is likely to be detrimental to the persistence of the system. Here, the impact of several common harvesting strategies on the persistence of a host-parasitoid metapopulation was examined. Contrary to expectation I discovered that harvesting in these systems increased both local and regional population sizes. The increased population size as a result of increased mortality was explained in terms of a hydra effect, where harvesting relaxed density-dependence acting on local host populations. The results presented in this thesis are relevant for the monitoring, management and conservation of natural metapopulations and the development of sustainable harvesting strategies in structured landscapes.
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Mayhew, Peter J. "Ecological studies of insect reproductive behaviour." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244513.

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Corbin, C. "The evolutionary ecology of an insect-bacterial mutualism." Thesis, University of Liverpool, 2018. http://livrepository.liverpool.ac.uk/3018941/.

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Heritable bacterial endosymbionts are responsible for much phenotypic diversity in insects. Mutualists drive large-scale processes such as niche invasion, speciation and mass resistance to natural enemies. However, to persist, mutualists need to be able to transmit with high fidelity from one generation to the next, to be able to express their beneficial phenotypes, and for the benefits they grant the host to outweigh their costs. The effect of ecologically-relevant environmental temperature variations upon transmission and phenotype is a poorly understood area of endosymbiont biology, as is how the symbiont’s cost varies under ecological stress. In this thesis, I examined these parameters for Spiroplasma strain hy1, a defensive mutualist which protects the cosmopolitan, temperate fruit fly Drosophila hydei from attack by a parasitoid wasp. I detected Spiroplasma hy1 in D. hydei individuals from the south of the U.K. The bacterium is at low prevalence compared to hy1 in other localities such as North America and Japan, but its presence in this temperate region conflicts with past studies indicating high sensitivity to low temperatures. I first demonstrate that the vertical transmission of Spiroplasma hy1 is more robust to the cool temperatures typical of temperate breeding seasons than previously considered, with transmission in a ‘permissive passage’ experiment occurring at high fidelity for two generations at a constant 18°C and in an alternating 18/15°C condition. Secondly, I demonstrate that the expression of the defensive phenotype is considerably more sensitive to cool temperatures than transmission. Spiroplasma hy1 protection ceases at 18°C, suggesting that for much of the D. hydei breeding season in areas such as the U.K., hy1 may be selectively neutral in many fly individuals. Finally, I show that hy1 has an unusually low standing cost to its host under starvation stress, contrasting with findings for the related MSRO strain in D. melanogaster. Measures of active cost – the fate of survivors of attack – were unclear. These results indicate that sensitivity to cold temperatures could account for hy1’s low U.K. prevalence. Small amounts of segregational loss could partially counteract selection upon natural enemy resistance, and loss of phenotypic expression at 18°C almost certainly causes hy1 to be neutral at best for parts of early summer and autumn. Future work should investigate the effects of different temperature on costs of symbiont carriage, and whether cool temperatures could push hy1 from mutualism and neutral commensalism to parasitism, as well as investigate how nuclear-mediated anti-wasp protection might interact and compete with hy1-mediated protection.
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Ringel, Michael Stanley. "Ecological and evolutionary dynamics of interacting insect species." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362514.

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Robbins, H. J. "Effects of roadside pollutants on insect/plant interactions." Thesis, University of Newcastle Upon Tyne, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354405.

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Sait, Steven Mark. "The population dynamics of and insect-virus interaction." Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317221.

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Matthews, Jeffrey N. A. "Aggregation and mutualism in insect herbivores." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317724.

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Books on the topic "Insect ecology"

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Price, Peter W. Insect ecology. 3rd ed. New York: Wiley, 1997.

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Matthews, Eric G. Insect ecology. 2nd ed. St. Lucia, Qld: University of Queensland Press, 1988.

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missing], [name. Insect symbiosis. Boca Raton, FL: CRC Press, 2002.

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Yazdani, S. S. Elements of insect ecology. London: Narosa, 1997.

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A, Hawkins Bradford, and Sheehan William 1947-, eds. Parasitoid community ecology. Oxford [England]: Oxford University Press, 1994.

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R, Zeiss Michael, ed. Analyses in insect ecology and management. Ames: Iowa State University Press, 1996.

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Prasad, K. V. Hari. Insect Ecology: Concepts to Management. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1782-0.

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Wajnberg, ric, Carlos Bernstein, and Jacques van Alphen, eds. Behavioral Ecology of Insect Parasitoids. Oxford, UK: Blackwell Publishing Ltd, 2008. http://dx.doi.org/10.1002/9780470696200.

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Wajnberg, Eric, and Stefano Colazza, eds. Chemical Ecology of Insect Parasitoids. Chichester, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118409589.

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Schowalter, Timothy Duane. Insect ecology: An ecosystem approach. 2nd ed. Amsterdam: Elsevier/Academic Press, 2006.

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Book chapters on the topic "Insect ecology"

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Haavik, Laurel J., and Fred M. Stephen. "Insect Ecology." In Forest Entomology and Pathology, 91–113. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-11553-0_4.

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AbstractInsect ecology is the study of how insects interact with the environment. The environment consists of both physical characteristics (abiotic) and other organisms (biotic). Insects are natural components of forests and perform a variety of essential functions that help maintain forests as ecosystems. As consumers of forest products, people sometimes compete with insects for forest resources.
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"Population Ecology." In Insect Ecology, 123–24. Elsevier, 2006. http://dx.doi.org/10.1016/b978-012088772-9/50028-5.

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"Community Ecology." In Insect Ecology, 211–12. Elsevier, 2006. http://dx.doi.org/10.1016/b978-012088772-9/50032-7.

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Schowalter, Timothy D. "Community ecology." In Insect Ecology, 347–48. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-85673-7.00025-3.

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Schowalter, Timothy D. "Population ecology." In Insect Ecology, 207–9. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-85673-7.00024-1.

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Schowalter, Timothy D. "Overview." In Insect Ecology, 1–14. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-381351-0.00001-9.

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Schowalter, Timothy D. "Responses to Abiotic Conditions." In Insect Ecology, 17–51. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-381351-0.00002-0.

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Schowalter, Timothy D. "Resource Acquisition." In Insect Ecology, 53–93. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-381351-0.00003-2.

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Schowalter, Timothy D. "Resource Allocation." In Insect Ecology, 95–125. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-381351-0.00004-4.

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Schowalter, Timothy D. "Population Systems." In Insect Ecology, 129–56. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-381351-0.00005-6.

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Conference papers on the topic "Insect ecology"

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Jakubec, Pavel. "IMPACT OF DROUGHTS ON INSECT POPULATIONS: A REVIEW." In 14th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b51/s20.050.

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Savanina, Yanina. "INTEGRATED USE OF NATURAL INSECT RAW MATERIALS I'M IN." In NEW TECHNOLOGIES IN MEDICINE, BIOLOGY, PHARMACOLOGY AND ECOLOGY. Institute of information technology, 2021. http://dx.doi.org/10.47501/978-5-6044060-1-4.35.

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The article discusses the possibility of using migratory locust as a resource - a seasonal, but abundant and predictable, possible source of fodder protein, as well as chitin and its deriva-tives. Comparison with traditional resources of such raw materials.
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Laganà, Filippo, Domenico Britti, Antonino S. Fiorillo, and Salvatore A. Pullano. "New Surface Electrical Charge Detection System for Ecology and Insect Monitoring." In 2023 International Workshop on Biomedical Applications, Technologies and Sensors (BATS). IEEE, 2023. http://dx.doi.org/10.1109/bats59463.2023.10303167.

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Bataille, Clement, Auguste Hassler, and Megan Reich. "Metals and their isotopes: An opportunity to study insect ecology and physiology?" In Goldschmidt2023. France: European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.18869.

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Jennings, David E. "Biological control of an invasive forest insect: From biological invasion to population ecology." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.94823.

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Antwi-Agyakwa, Akua Konadu. "Team 1, International Centre of Insect Physiology and Ecology - Varroa (advisor: Baldwyn Torto)." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.117774.

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Alaux, Cedric. "Integrating landscape ecology and insect physiology: The case of overwintering survival in honey bees." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.109688.

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Swain, Anshuman, S. Augusta Maccracken, William F. Fagan, and Conrad C. Labandeira. "THE ECOLOGY OF HOST PLANT-INSECT HERBIVORE INTERACTIONS IN THE FOSSIL RECORD FROM BIPARTITE NETWORKS." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-354353.

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Anogwih, Joy ANURI. "Ecology of insect species in Buruli ulcer endemic and non-endemic parts of Nigeria, West Africa." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.109445.

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Nikelshparg, Matvey I., Daria L. Basalaeva, Elena V. Glinskaya, and Vasily V. Anikin. "Composition and Ecology of the Insect Community and Microbiota in Galls on a Hawkweed Hieracium × robustum Fries, 1848." In The 2nd International Electronic Conference on Diversity (IECD 2022)—New Insights into the Biodiversity of Plants, Animals and Microbes. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/iecd2022-12386.

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Reports on the topic "Insect ecology"

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Force, Don C. Ecology of insects in California chaparral. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1990. http://dx.doi.org/10.2737/psw-rp-201.

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Price, Peter W., William J. Mattson, and Yuri N. Baranchikov. The ecology and evolution of gall-forming insects. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station, 1994. http://dx.doi.org/10.2737/nc-gtr-174.

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Hunter, Martha S., and Einat Zchori-Fein. Rickettsia in the whitefly Bemisia tabaci: Phenotypic variants and fitness effects. United States Department of Agriculture, September 2014. http://dx.doi.org/10.32747/2014.7594394.bard.

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The sweet potato whitefly, Bemisia tabaci (Hemiptera: Aleyrodidae) is a major pest of vegetables, field crops, and ornamentals worldwide. This species harbors a diverse assembly of facultative, “secondary” bacterial symbionts, the roles of which are largely unknown. We documented a spectacular sweep of one of these, Rickettsia, in the Southwestern United States in the B biotype (=MEAM1) of B. tabaci, from 1% to 97% over 6 years, as well as a dramatic fitness benefit associated with it in Arizona but not in Israel. Because it is critical to understand the circumstances in which a symbiont invasion can cause such a large change in pest life history, the following objectives were set: 1) Determine the frequency of Rickettsia in B. tabaci in cotton across the United States and Israel. 2) Characterize Rickettsia and B. tabaci genotypes in order to test the hypothesis that genetic variation in either partner is responsible for differences in phenotypes seen in the two countries. 3) Determine the comparative fitness effects of Rickettsia phenotypes in B. tabaci in Israel and the United States. For Obj. 1, a survey of B. tabaci B samples revealed the distribution of Rickettsia across the cotton-growing regions of 13 sites from Israel and 22 sites from the USA. Across the USA, Rickettsia frequencies were heterogeneous among regions, but were generally at frequencies higher than 75% and close to fixation in some areas, whereas in Israel the infection rates were lower and declining. The distinct outcomes of Rickettsia infection in these two countries conform to previouslyreported phenotypic differences. Intermediate frequencies in some areas in both countries may indicate a cost to infection in certain environments or that the frequencies are in flux. This suggests underlying geographic differences in the interactions between bacterial symbionts and the pest. Obj. 2, Sequences of several Rickettsia genes in both locations, including a hypervariableintergenic spacer gene, suggested that the Rickettsia genotype is identical in both countries. Experiments in the US showed that differences in whitefly nuclear genotype had a strong influence on Rickettsia phenotype. Obj. 3. Experiments designed to test for possible horizontal transmission of Rickettsia, showed that these bacteria are transferred from B. tabaci to a plant, moved inside the phloem, and could be acquired by other whiteflies. Plants can serve as a reservoir for horizontal transmission of Rickettsia, a mechanism that may explain the occurrence of phylogenetically-similarsymbionts among unrelated phytophagous insect species. This plant-mediated transmission route may also exist in other insect-symbiont systems, and since symbionts may play a critical role in the ecology and evolution of their hosts, serve as an immediate and powerful tool for accelerated evolution. However, no such horizontal transmission of Rickettsia could be detected in the USA, underlining the difference between the interaction in both countries, or between B. tabaci and the banded wing whitefly on cotton in the USA (Trialeurodes sp. nr. abutiloneus) and the omnivorous bug Nesidiocoristenuis. Additionally, a series of experiments excluded the possibility that Rickettsia is frequently transmitted between B. tabaci and its parasitoid wasps Eretmocerusmundus and Encarsiapergandiella. Lastly, ecological studies on Rickettsia effects on free flight of whiteflies showed no significant influence of symbiont infection on flight. In contrast, a field study of the effects of Rickettsia on whitefly performance on caged cotton in the USA showed strong fitness benefits of infection, and rapid increases in Rickettsia frequency in competition population cages. This result confirmed the benefits to whiteflies of Rickettsia infection in a field setting.
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